arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2 /*
   3  * Broadcom BCM470X / BCM5301X ARM platform code.
   4  * DTS for Buffalo WZR-1750DHP
   5  *
   6  * Copyright (C) 2014 Rafał Miłecki <zajec5@gmail.com>
   7  */
   8
   9 /dts-v1/;
  10
  11 #include "bcm4708.dtsi"
  12 #include "bcm5301x-nand-cs0-bch8.dtsi"
  13
  14 / {
  15         compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";
  16         model = "Buffalo WZR-1750DHP (BCM4708)";
  17
  18         chosen {
  19                 bootargs = "console=ttyS0,115200 earlycon";
  20         };
  21
  22         memory@0 {
  23                 device_type = "memory";
  24                 reg = <0x00000000 0x08000000>,
  25                       <0x88000000 0x18000000>;
  26         };
  27
  28         spi {
  29                 compatible = "spi-gpio";
  30                 num-chipselects = <1>;
  31                 gpio-sck = <&chipcommon 7 0>;
  32                 gpio-mosi = <&chipcommon 4 0>;
  33                 cs-gpios = <&chipcommon 6 0>;
  34                 #address-cells = <1>;
  35                 #size-cells = <0>;
  36
  37                 hc595: gpio_spi@0 {
  38                         compatible = "fairchild,74hc595";
  39                         reg = <0>;
  40                         registers-number = <1>;
  41                         spi-max-frequency = <100000>;
  42
  43                         gpio-controller;
  44                         #gpio-cells = <2>;
  45
  46                 };
  47         };
  48
  49         leds {
  50                 compatible = "gpio-leds";
  51
  52                 usb {
  53                         label = "bcm53xx:blue:usb";
  54                         gpios = <&hc595 0 GPIO_ACTIVE_HIGH>;
  55                         trigger-sources = <&ohci_port1>, <&ehci_port1>,
  56                                           <&xhci_port1>, <&ohci_port2>,
  57                                           <&ehci_port2>;
  58                         linux,default-trigger = "usbport";
  59                 };
  60
  61                 power0 {
  62                         label = "bcm53xx:red:power";
  63                         gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
  64                 };
  65
  66                 power1 {
  67                         label = "bcm53xx:white:power";
  68                         gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
  69                         linux,default-trigger = "default-on";
  70                 };
  71
  72                 router0 {
  73                         label = "bcm53xx:blue:router";
  74                         gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
  75                         linux,default-trigger = "default-on";
  76                 };
  77
  78                 router1 {
  79                         label = "bcm53xx:amber:router";
  80                         gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
  81                 };
  82
  83                 wan {
  84                         label = "bcm53xx:blue:wan";
  85                         gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
  86                         linux,default-trigger = "default-on";
  87                 };
  88
  89                 wireless0 {
  90                         label = "bcm53xx:blue:wireless";
  91                         gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
  92                 };
  93
  94                 wireless1 {
  95                         label = "bcm53xx:amber:wireless";
  96                         gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
  97                 };
  98         };
  99
 100         gpio-keys {
 101                 compatible = "gpio-keys";
 102
 103                 restart {
 104                         label = "Reset";
 105                         linux,code = <KEY_RESTART>;
 106                         gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
 107                 };
 108
 109                 aoss {
 110                         label = "AOSS";
 111                         linux,code = <KEY_WPS_BUTTON>;
 112                         gpios = <&chipcommon 12 GPIO_ACTIVE_LOW>;
 113                 };
 114
 115                 /* Commit mode set by switch? */
 116                 mode {
 117                         label = "Mode";
 118                         linux,code = <KEY_SETUP>;
 119                         gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
 120                 };
 121
 122                 /* Switch: AP mode */
 123                 sw_ap {
 124                         label = "AP";
 125                         linux,code = <BTN_0>;
 126                         gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
 127                 };
 128
 129                 eject {
 130                         label = "USB eject";
 131                         linux,code = <KEY_EJECTCD>;
 132                         gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
 133                 };
 134         };
 135 };
 136
 137 &usb2 {
 138         vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>;
 139 };
 140
 141 &usb3 {
 142         vcc-gpio = <&chipcommon 10 GPIO_ACTIVE_LOW>;
 143 };
 144
 145 &spi_nor {
 146         status = "okay";
 147 };
 148
 149 &usb3_phy {
 150         status = "okay";
 151 };